<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>炫彩</title>
    <style>
        .hong:hover{
            background-color: red;
        }
        .cheng:hover{
            background-color: orange;
        }
        .huang:hover{
            background-color: yellow;
        }
        .lv:hover{
            background-color: green;
        }
        .qing:hover{
            background-color: cyan;
        }
        .blue:hover{
            background-color: darkblue;
        }
        .zi:hover{
            background-color: darkorchid;
        }
    </style>
</head>
<body>
    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>
    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>    <div class="hong">.</div>
    <div class="cheng">.</div>
    <div class="huang">.</div>
    <div class="lv"> .</div>
    <div class="qing">.</div>
    <div class="lan">.</div>
    <div class="zi">.</div>
</body>
</html>